Hair straightener



FIG. 1 is a top view of a hair straightener in accordance with anembodiment of the present invention;

FIG. 2 is a first side view of the hair straightener of FIG. 1 in aclosed position;

FIG. 3 is a bottom view of the hair straightener of FIG. 1;

FIG. 4 is a second side view of the hair straightener of FIG. 1 in aclosed position;

FIG. 5 is a first end view of the hair straightener of FIG. 1 in aclosed position;

FIG. 6 is a second end view of the hair straightener of FIG. 1 in aclosed position;

FIG. 7 is a perspective view of the hair straightener of FIG. 1 in aclosed position; and,

FIG. 8 is a perspective view of the hair straightener of FIG. 1 in anopen position.

The ornamental design for a hair straightener, as shown and described.